1901,19.9,19.9,19.8,18.8,16.5,13.6,12.8,14.1,16.2,19,20.3,20.3
1902,19.8,19.9,19.5,19.2,16.4,14.1,13.5,14.6,16.7,19,20.4,20.7
1903,20,20.2,19.7,19.3,16.9,14,12.9,14.5,17.5,19.8,20.1,20.1
1904,19.6,19.5,19.1,18.9,16.1,14.2,12.8,14.1,15.8,19.3,20.4,19.9
1905,19.9,19.9,19.3,18.6,16.4,14.7,12.8,14.6,16.9,20.1,20.4,20.6
1906,20.4,19.7,19.5,18.6,16.6,13.9,13,14.1,16.4,19.2,19.8,20.3
1907,20,19.7,19.5,18.8,16.5,13.8,12.5,13.6,16.2,19.5,20.1,20.5
1908,19.9,19.8,19.6,19.1,16,13.9,13,14.5,16.6,19.9,20.6,20.5
1909,19.9,20.1,19.7,18.9,16.5,13.7,13.1,14.4,16.4,19.5,20.3,20.6
1910,20,19.9,19.5,18.6,16.2,13.8,12.9,14.2,16.2,19.1,20.2,20.3
1911,19.7,19.6,19.3,18.6,16.4,13.4,12.5,14,15.9,19.7,20.5,21.1
1912,20.4,20.3,19.4,19.3,17.2,13.7,12.7,13.9,16.6,19.3,21.2,20.1
1913,19.9,20,19.5,18.9,16.5,13.5,13.2,14.4,16.7,19.9,20.8,20.7
1914,20.3,19.9,20.2,19.1,16.9,14.2,12.9,14.5,17.1,20.2,20.9,20.7
1915,20.2,20,19.8,19.3,16.5,14.2,13.7,14.4,16.9,20.2,20.9,20.8
1916,20.2,20.2,20.1,19.2,16.5,14,13.1,14.1,16.8,20.2,20.4,20.6
1917,20.3,20.6,19.9,19,17,14.3,13.3,14.3,16.4,19.7,20.6,20
1918,19.4,19.8,19.5,18.5,16.3,13.5,12.8,13.5,16.5,20.3,20.7,20.6
1919,20.1,19.9,19.8,19.3,16,13.8,12.9,13.9,16.4,19.1,20.3,20.7
1920,20.4,20.3,19.7,18.8,16.9,14.1,13.1,14.3,17.1,20.3,20.8,20.9
1921,20.3,20.4,20,19,16.5,14.1,13,14,16.5,19.8,20.4,20.4
1922,20.4,20,19.9,19.2,16.9,14.2,13,15.1,17,19.6,20.9,20.8
1923,20.3,19.9,19.7,19.1,16.5,14,13,14.3,15.8,19.9,20.9,20.5
1924,19.7,19.8,19.6,18,16.8,14.3,13.1,14.3,16.7,19.8,20.6,20.3
1925,19.7,19.7,19.5,18.9,16.3,13.5,12.6,13.4,15.9,19.3,20.7,20.8
1926,19.3,20.2,19.4,18.5,16.2,13.4,13.3,13.6,16.4,19.7,20.5,20.6
1927,19.6,19.9,18.9,18.6,16.1,13.6,13.1,13.5,16,19.3,20.7,19.7
1928,19.7,20,19.8,18.9,16.6,14.2,12.6,14.1,16.4,19.6,20.3,19.9
1929,20,19.6,19.5,18.7,16.1,14.1,13.1,14,16.6,19.9,20.7,20.3
1930,19.8,19,20,19.1,16.5,14.1,13.1,13.9,16.2,19.1,19.9,20.5
1931,20.4,20,19.8,19.1,17.3,14.4,13.3,14.4,16.7,19.7,20.6,20.3
1932,20.1,20.2,19.5,18.9,17,14.6,13.2,14.2,17.1,19.6,20.1,20.1
1933,20.4,20,19.9,18.7,16.7,14.9,13.5,14.2,16.3,19.4,20.4,20.6
1934,19.8,19.8,19.7,19.1,17.7,14.5,14,15.6,16.4,19.5,20.7,20.4
1935,19.9,19.4,19.5,18.3,17.5,13.8,12.9,13.7,16.9,20.6,20.8,20.3
1936,20,20.8,19.5,19.4,17.9,14.2,13.7,14.2,16.7,20.2,21.2,20.2
1937,20.5,20.9,19.5,19.3,16.5,14.1,12.8,13.7,16.9,19.6,21.1,20.4
1938,20.2,20.1,19.3,19.2,16.4,14.2,13.4,13.9,17.1,20.3,21,20.6
1939,19.9,20.7,19.8,19,17.7,14.3,13.5,15.3,16.7,19.9,20.4,20.3
1940,20,20.2,20.1,18.9,16.9,15,13.2,14.8,17.6,18.7,20.6,20.7
1941,21.1,20.9,20.4,19.2,16.6,13.9,12.8,14.7,17,19.8,21,21.1
1942,21.3,21.1,21,19.3,17.3,15,13.8,15.3,16.6,19.3,20.3,21.1
1943,20.8,20.1,20,19.3,17.3,14.1,11.9,13.8,15.6,18.3,20.7,21
1944,20.4,20.9,20.2,19,17.1,15.1,13.8,13.7,17.1,20.1,21.5,21.1
1945,21,21.1,20.5,19.5,17.3,12.6,12.2,14,15.3,20.6,20.5,21.3
1946,20.9,20.6,20.6,19.4,17.4,14,12.2,13.1,15.9,19.3,21,21.3
1947,21,20.7,20.9,19.7,16.6,13.6,12.7,13,16.4,19.4,20.8,20.3
1948,19.9,20.2,19.6,19.4,17.5,15.1,13.7,15,16.4,19.8,20.6,20.5
1949,20,19.4,19.3,18.9,16.8,14.6,14.1,15.1,17.4,19.9,21.1,20.6
1950,20.1,19.9,19.8,18.7,15.7,13.9,13.5,14.4,16.4,19,19.9,20.1
1951,20,19.9,18.9,18.9,16.3,14.3,13.2,15.1,17,19.9,20.8,20.8
1952,20.6,20.6,19.2,19.1,16.6,14.6,13.1,14.5,16.8,19.4,20.4,20.2
1953,20.5,20.2,19.2,19.1,16.5,13.6,13.1,14.2,15.9,19.6,21.1,20.4
1954,20,20.2,18.7,18.1,16.1,13.4,12.5,14.5,16.4,19.3,20.3,20
1955,19.9,20,19,18.3,16.1,13.6,13.1,13.4,16.3,19.2,20.4,19.9
1956,19.3,19.5,19.2,18.9,16.2,13.7,11.5,13.8,15.4,18.3,19.9,19.7
1957,19.9,19.9,19.3,18.9,16.3,12.7,12.2,14.9,17.1,20.2,20.8,20.6
1958,20.7,20.8,19.9,18.9,15.5,14.5,12.3,14.2,17.7,19.8,21.1,20.6
1959,20.5,20.6,19.8,18.8,16,14.7,13.6,14.8,16.8,19.4,20.3,20.3
1960,19.8,19.6,19.5,18.3,15.7,14.9,12.5,13.5,16.6,19.4,20,20.6
1961,19.8,19.7,19.5,19.2,16.9,14.5,14.7,13.7,16.7,20,20.3,20.6
1962,20.5,20,19.4,18.7,15.2,13.1,13.1,14.4,15.8,18.5,20,19.9
1963,19.3,20,19,18.2,14.9,12.5,12.9,13.3,16,19.6,20.1,20.1
1964,20,20,19.2,18,14.9,13.1,11.3,14.2,15.4,18.7,19.4,19.5
1965,19.1,19.8,19.2,18,15,12.4,12,13.5,16.3,19.1,20.4,20.5
1966,19.7,20.5,19,18.2,16.9,14.8,13.3,14.5,17.2,19.5,20.3,20.2
1967,20.4,19.6,19.9,19.1,17.3,15,12.9,14.9,17,19.6,19.9,20.6
1968,20.1,19.8,19.1,18.3,16.2,13.3,12.7,14.6,16.2,19.7,20.4,20
1969,19.7,20.2,19.7,19.7,16.6,13.8,13.4,14.7,17.1,19.9,20.7,20.2
1970,20.7,20.5,19.4,18.3,15.5,14.5,13.6,15.4,17,19.3,20.5,20.2
1971,19.7,19.5,19.3,18.7,16.2,13.4,13.6,13.5,16.6,18.5,20,19.7
1972,19.3,19.9,19.3,18.9,18,13.3,13.1,14,16.8,20.1,20.5,20.7
1973,20.7,20.1,20.3,19.1,16.1,13.9,12.2,13.9,16.6,19.7,20.6,19.5
1974,18.9,18.7,19.3,18.6,17.4,13.2,13,14,15.9,19.1,20.5,19.8
1975,19.6,19.1,19.4,18.9,16.7,14.6,12.9,13.9,16.2,18.1,19.8,20.2
1976,19.6,18.9,19.8,18.9,16.3,13.8,12.1,13.4,16.5,19.2,20.4,20.8
1977,20.2,20.1,19.8,18.7,17,13.3,13.4,15.1,17,20.3,21.1,21
1978,20.1,19.8,19.8,18.7,15.9,14.3,12.6,15.2,17,19.8,20.3,20.6
1979,19.7,20.6,19.7,19.6,16.7,14.1,13.1,14.8,16.7,19.5,20.7,20.8
1980,20.1,19.4,19.8,19.1,16.8,12.7,12.8,14.3,16.7,19.4,20.2,20.3
1981,20.1,20.5,19.7,18.6,16.1,13.1,11.6,14.3,16.6,19.1,20.6,20.8
1982,20.7,20.3,19.6,19.7,17.1,14.9,13.8,14.7,16.6,19.6,21.1,21.7
1983,21,20.6,20.4,19.9,18.1,15.9,14.9,13.8,16.7,19.9,20.9,20.6
1984,20.5,20.3,19.5,18.7,16.5,14.9,13.9,13.8,16.9,19.5,20.4,20.7
1985,19.8,20.3,19.4,18.3,16.6,13.6,12.9,14.1,16.8,19.2,20.6,20.6
1986,20.3,19.5,19.2,19.1,17,14,12.2,14,16.5,19.7,20.6,21.1
1987,20.7,20.7,20.1,18.8,17.1,13.3,12.5,15.7,17.3,19.6,22,21.5
1988,20.9,20.3,20.3,19.4,16.6,15.5,13.8,15.3,17,19.9,20.3,20.2
1989,20.5,20.1,19.9,19.3,17.2,14.2,13.4,14.4,16.5,19.2,21,20.9
1990,20.5,21.1,20.2,18.8,17.4,14.5,12.9,14.3,16,19.5,22,20.6
1991,20,20.5,19.7,19.3,17.9,13.9,13.1,14,15.9,19.1,20,20.2
1992,19.7,20.1,20.3,19.5,17.9,15.1,12.8,13.4,16.5,17.2,20.7,20.5
1993,19.6,19.3,19.6,20,17.3,13.9,13.6,13.8,16.3,19.3,20.6,21.6
1994,19.5,21.6,20,18.6,17,14.2,12.5,14.2,17.3,20,21.8,21.7
1995,20.3,19.9,20.7,19.5,17.4,14.5,14.1,16.4,17.1,20.6,22.2,21.8
1996,20.2,20.3,20.7,18.4,17.3,14.4,13.4,14.6,17.5,19.3,21,21.8
1997,21.7,20.9,20.5,19.8,16.9,15.7,14.2,15.2,17.7,20.2,22.1,21.4
1998,20.9,21,21.1,19.1,17.6,14.7,14.3,15.9,17.1,20,21.9,21.7
1999,21.2,20.9,20.2,18.9,17.2,14.8,13.8,14.8,16.7,19.2,20.6,21.3
2000,20.8,19.5,20,19.1,18.1,14.5,13,14.4,17,19.5,20.1,20.2
2001,20.1,20.5,20.2,19,16.6,14.2,13.5,15.2,17.3,21.2,21.1,21.3
2002,20.1,20,20.3,19,16.9,14.4,14.6,15.4,17.2,20.5,21,21.2
2003,20.9,20.9,20.8,19.2,17.3,15.7,13.3,14.5,17.2,20.4,21.7,21.1
2004,21.2,20.7,20.6,18.9,16.2,14,13.7,15.6,17.3,19.7,20.4,20
2005,20.6,22,20.5,18.8,16.6,15.1,13.3,15.1,17.4,19.8,21.2,21.8
2006,19.5,19.3,19.9,18.7,18.4,14.6,14.1,15.8,16.7,20.8,21.6,21.3
2007,20.2,20.2,19.9,19.2,17.1,14.7,13.2,15.1,18,20.2,20.8,21.3
2008,20.1,20.5,19.7,18.9,17.5,14.1,13.6,14.9,16.7,20.2,21,20.4
2009,20.3,21.8,19.6,18.4,16.7,15.5,13.7,15.9,18.4,20.9,21,21.9
